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Official data from INPI

PROCESSO PARA PRODUZIR UMA PLACA DE CANAIS MÚLTIPLOS E ESTRUTURA

DeferidaInvention Patent

Application data

Number

PI8501057

Type

Invention Patent

Filing

03/08/1985

Publication

10/29/1985

Progress at the INPI

  1. Filing03/08/85
  2. Publication10/29/85
  3. Examination06/23/87
  4. Allowance08/29/89
  5. Grant04/24/90
  6. Terminated12/24/96

The patent was granted on 04/24/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kernforschungszentrum Karlsruhe GMBH

DE

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Inventors

D. B. (pessoa física)

DE

D. B. (pessoa física)

DE

D. E. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 34 08 849.0 · 03/10/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/29/1989

RPI 984

Solicitação de exame técnico

#4.1

06/23/1987

RPI 870

Publicação do pedido de patente

#3.1

10/29/1985

RPI 784

Pedido de patente depositado

#2.1

05/28/1985

RPI 762

Anuidade - prazo legal encerrado

#18.2

12/24/1996

RPI 1360

Concessão da patente

#16.1

04/24/1990

RPI 1015

Notificação para pagamento de retribuição

#13.1

01/09/1990

RPI 1001

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